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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Clematis

50. Clematis terniflora de Candolle, Syst. Nat. 1: 137. 1817.

圆锥铁线莲 yuan zhui tie xian lian

Vines woody. Branches shallowly 4--10-grooved, puberulous or only nodes puberulous. Leaves pinnate, 5(--7)-foliolate; petiole 2.5--4.5 cm; leaflet blades ovate to narrowly ovate, sometimes ovate-lanceolate, 2.5--8 × 1--4.2 cm, papery to subleathery, both surfaces sparsely puberulous, glabrescent, base rounded, subcordate, or broadly cuneate, margin entire, apex acute to obtuse; basal veins abaxially ± prominent to nearly flat. Cymes axillary or terminal, usually many flowered; peduncle 1--7 cm; bracts linear, elliptic, or oblong, 0.8--3.5(--5) cm. Flowers 1.4--3 cm in diam. Pedicel 0.5--3 cm, puberulous or glabrous. Sepals 4, white, spreading, obovate-oblong to oblong, 5--15 × 2--6 mm, abaxially puberulous or glabrous, adaxially glabrous, margin abaxially velutinous, apex ± acute to obtuse. Stamens 3--7(--8) mm, glabrous; anthers narrowly oblong to oblong, 2--3 mm, apex obtuse or minutely apiculate. Ovaries pubescent. Style 4--7 mm, densely villous. Achenes orange-yellow, broadly elliptic to obovate, 4--9 × 2.5--6 mm, appressed pubescent; persistent style 1.2--4 cm, plumose. Fl. Jun--Aug, fr. Aug--Nov.

Forest margins, scrub on slopes, grassy areas on hills, among rocks in coastal areas; near sea level to 800 m. S Anhui, Heilongjiang, S Henan, Hubei, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, SE Shaanxi, S Taiwan, Zhejiang [Japan, Korea, Mongolia, Russia (Siberia)].

1 Branches and pedicels puberulous; achenes 6--9 mm   50a var. terniflora
+ Branch nodes puberulous and pedicels glabrous or subglabrous; achenes to 6 mm.   (2)
2 (1) Anther apex minutely apiculate   50b var. mandshurica
+ Anther apex obtuse   50c var. garanbiensis


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